Check function of sump pump: IDO tank result ok but note pendulum sump pump outside hole make sump pump always on repare pendulum put inside hole of sump pump, L1C BC4 and L1C BC1 are sump pump normal note hole for sump pump of L1C BC4 many land will make sump pump always start note need to clean up hole of sump pump to make sump pump working properly ( EDI & ADI )